An observer measures the North Star (Polaris) at an altitude of 40°. The observer's latitude is
A) 5°N.
B) 50°N.
C) 75°N.
D) 40°N.
E) none of these.

Question

Quizplus · Accepted Answer

The altitude of Polaris above the horizon is approximately equal to the observer's latitude in the Northern Hemisphere. Therefore, if Polaris is observed at an altitude of 40°, the observer's latitude is approximately 40°N.

An Observer Measures the North Star (Polaris) at an Altitude